THE PEDAL POWERED GRINDER
By Bart Orlando

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Bart Orlando demonstrates the pedal powered grinder which he designed and built with the assistance of HSU appropriate technology students. An exercise bike is substituted for the electric motor.
A fanbelt is rapped around the outer circumferance of the flywheel of the exercise bike and around a pulley mounted on the same drive shaft that the grinding stone and wire brush are mounted. The shaft is supported by two bearing assemblies. A 24 inch wheel rim is welded to the outer circumferance of the flywheel in order to keep the belt on track.